Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh tang ca snippets" » "hanh trang ca snippets", "anh tang ca snippets", "hanh mang ca snippets", "hanh tang cua snippets", "hanh hang ca snippets", "hanh tang ma snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh tang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh tang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.